皮普安装py3.txt在Django补丁教程

Question

我无法做

pip install -r requirements/py3.txt 

下打印出在终端

"/private/var/folders/gv/xb_pvkg104x9y3w5cwc978qh0000gp/T/pip-build-4GjEZA/python3-memcached/memcache.py", line 1251 
      print("Testing set/get {'%s': %s} ..." % (to_s(key), to_s(val)), end=' ') 
                       ^
     SyntaxError: invalid syntax 

     ---------------------------------------- 
    Command "python setup.py egg_info" failed with error code 1 in /private/var/folders/gv/xb_pvkg104x9y3w5cwc978qh0000gp/T/pip-build-4GjEZA/python3-memcached 

的链接教程：https://docs.djangoproject.com/en/dev/intro/contributing/

Answer 1

它看起来像你正在运行一个python2点试图安装python3包。尝试pip -V以查看它使用的是哪个版本的python。